Home / 351,037.40-526,556.10-345,788.60

Finding the Fourth Proportional to 351,037.40, 526,556.10 and 345,788.60

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Solution

The fourth proportional to 351,037.40, 526,556.10 and 345,788.60 is: 518,682.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,037.40 : 526,556.10 = 345,788.60 : x
  2. Step 2: Convert to fraction form
    351,037.40/526,556.10 = 345,788.60/x
  3. Step 3: Cross multiply
    351,037.40x = 526,556.10 × 345,788.60
  4. Step 4: Simplify right side
    351,037.40x = 182,077,096,640.46
  5. Step 5: Solve for x
    x = 182,077,096,640.46/351,037.40
  6. Step 6: Final answer
    x = 518,682.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.